When ecosystems change, what happens to the cultures who rely on them? Here in Utah, forest health experts are carefully monitoring changes to Aspen and Juniper forests – places people have come to rely on for generations. This story is not unfamiliar across the world. Today, H20 radio takes us to Hawai’i, where the disappearance of Ohi’a forests could have serious ramifications for watersheds and ecosystems in the state. For native Hawaiians who revere the tree, vanishing Ohi’a could mean the loss of a heritage that developed long before they had a written language.